Tunable self-biased magnetoelectric response in homogenous laminates

Yuan Zhou, Su Chul Yang, Daniel J. Apo, Deepam Maurya, Shashank Priya

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105 Scopus citations


In this study, we demonstrate self-biased magnetoelectric effect in homogenous two-phase magnetostrictive-piezoelectric laminates. Our results illustrate the method for tuning the magnitude of self-bias effect and provide understanding behind the hysteretic changes. We model this phenomenon by considering the magnetization hysteresis with shape-induced demagnetization effect. The self-biased response was found to be directly related to the nature of magnetization and can be tuned by variation in demagnetization state and the resultant differential magnetic flux distribution. These results present significant advancement toward development of AC magnetic field sensor and magnetoelectric composite based on-chip devices by eliminating the need for DC bias.

Original languageEnglish (US)
Article number232905
JournalApplied Physics Letters
Issue number23
StatePublished - Dec 3 2012
Externally publishedYes

Bibliographical note

Funding Information:
The authors gratefully acknowledge the financial support from AFOSR through Young Investigator Program. The authors also thank the Office of Naval Research for supporting the research (Y. Zhou) through Center for Energy Harvesting Materials and Systems.


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